//------------------------------------------------------------------------------------------------------------------------
// initializeFromTexture()
//------------------------------------------------------------------------------------------------------------------------
protected void initializeFromTexture(Texture2D texture)
{
_texture = texture;
_bounds = new Rectangle(0, 0, _texture.width, _texture.height);
setUVs();
}
//------------------------------------------------------------------------------------------------------------------------
// initializeAnimFrames()
//------------------------------------------------------------------------------------------------------------------------
private void initializeAnimFrames(int cols, int rows, int frames=-1)
{
if (frames < 0) frames = rows * cols;
if (frames > rows * cols) frames = rows * cols;
if (frames < 1) return;
_cols = cols;
_frames = frames;
_frameWidth = 1.0f / (float)cols;
_frameHeight = 1.0f / (float)rows;
_bounds = new Rectangle(0, 0, _texture.width * _frameWidth, _texture.height * _frameHeight);
_currentFrame = -1;
SetFrame(0);
}